Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/ui/webui/signin/login_ui_service_factory.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
 
-#include "chrome/browser/prefs/pref_service.h"
+#include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile_dependency_manager.h"
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/ui/webui/signin/login_ui_service.h"
 #include "chrome/common/pref_names.h"
 
 LoginUIServiceFactory::LoginUIServiceFactory()
     : ProfileKeyedServiceFactory("LoginUIServiceFactory",
                                  ProfileDependencyManager::GetInstance()) {
 }
 
 LoginUIServiceFactory::~LoginUIServiceFactory() {}
 
 // static
 LoginUIService* LoginUIServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<LoginUIService*>(
       GetInstance()->GetServiceForProfile(profile, true));
 }
 
 // static
 LoginUIServiceFactory* LoginUIServiceFactory::GetInstance() {
   return Singleton<LoginUIServiceFactory>::get();
 }
 
 ProfileKeyedService* LoginUIServiceFactory::BuildServiceInstanceFor(
     Profile* profile) const {
   return new LoginUIService(profile);
 }